PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/07/24-03:27:40 G08 308.9 19.6 7.4 +/- 1.91 16.4 +/- 1.91 0.110 / 0.100 G10 328.3 59.3 5.5 +/- 1.53 6.3 +/- 1.53 0.080 / 0.060 G14 217.7 31.8 10.1 +/- 1.48 17.0 +/- 1.48 0.040 / 0.050 G15 46.5 14.1 2.0 +/- 2.61 5.2 +/- 2.61 0.050 / 0.040 G18 33.9 60.8 10.2 +/- 1.23 11.5 +/- 1.23 0.310 / 0.200 G21 132.8 58.1 8.6 +/- 0.33 10.0 +/- 0.33 0.050 / 0.080 G24 76.6 30.6 6.9 +/- 1.25 12.0 +/- 1.25 0.050 / 0.030 G27 274.0 37.7 8.4 +/- 2.27 12.8 +/- 2.27 0.030 / 0.030 G32 222.8 50.7 8.0 +/- 2.18 10.0 +/- 2.18 0.080 / 0.240